Base | Representation |
---|---|
bin | 1111110111011000010… |
… | …11111001100001101000 |
3 | 1221010001221022001110022 |
4 | 13323230023321201220 |
5 | 32412410333441410 |
6 | 1054232321540012 |
7 | 54245535062306 |
oct | 7735413714150 |
9 | 1833057261408 |
10 | 545128421480 |
11 | 1a02078674a5 |
12 | 897964a4608 |
13 | 3c536844056 |
14 | 1c554961276 |
15 | e2a798c455 |
hex | 7eec2f9868 |
545128421480 has 16 divisors (see below), whose sum is σ = 1226538948420. Its totient is φ = 218051368576.
The previous prime is 545128421473. The next prime is 545128421483. The reversal of 545128421480 is 84124821545.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 529672461796 + 15455959684 = 727786^2 + 124322^2 .
It is not an unprimeable number, because it can be changed into a prime (545128421483) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6814105229 + ... + 6814105308.
Almost surely, 2545128421480 is an apocalyptic number.
It is an amenable number.
545128421480 is an abundant number, since it is smaller than the sum of its proper divisors (681410526940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
545128421480 is a wasteful number, since it uses less digits than its factorization.
545128421480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13628210548 (or 13628210544 counting only the distinct ones).
The product of its (nonzero) digits is 409600, while the sum is 44.
The spelling of 545128421480 in words is "five hundred forty-five billion, one hundred twenty-eight million, four hundred twenty-one thousand, four hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.116 sec. • engine limits •